Table 1 Histopathological scores of the porcine biliary tract mucosa.

From: Fabrication of a silver particle-integrated silicone polymer-covered metal stent against sludge and biofilm formation and stent-induced tissue inflammation

Score, mean ± SD

Test

Control

P value

Inflammation

1.14 ± 0.38

1.17 ± 0.41

0.915

Necrosis

1.43 ± 1.13

1.33 ± 1.03

0.878

Congestion

0.29 ± 0.49

0.67 ± 0.52

0.199

Neovascularization

1.57 ± 0.53

2.50 ± 0.55

0.010

Fibrosis

1.71 ± 0.49

2.50 ± 0.55

0.019

Mucosal hyperplasia

2.29 ± 0.49

3.17 ± 0.41

0.005

Total scores

8.43 ± 1.90

11.33 ± 2.16

0.025

  1. SD, standard deviation.
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